VR Book: A Tangible Interface for Smartphone-based Virtual Reality. - Jorge C. S. Cardoso; Jorge M. Ribeiro (MobiQuitous, 2020)

Marker-based Tangible Interfaces for Smartphone-based Virtual Reality. - Jorge C. S. Cardoso; Jorge M. Ribeiro (EAI Endorsed Trans. Mob. Commun. Appl., 2022)